The Mission Is Critical blog | Author: Jukka Saari

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Do you have this wrong idea about IP protection ratings for mobile devices? »

What do you think - which mobile device has better protection against dust and water, one with IP65 classification or another that is IP67 rated? IP67, right? Because the number is bigger? Wrong. A mobile device with IP67 rating is not necessarily better than IP65. But why? This blog post explains all about IP protection ratings.

12 Nov 2020 by Jukka Saari  |  9 min read
Critical communications, TETRA radios, Hybrid devices

Why professional smartphones need secure, special gadgets »

This is the fifth in a series of blogs on how to bring smart and hybrid devices, complete with apps, into professional use. The posts cover key topics that help organizations move from traditional radio communication to a system that adds complementary broadband data. Today’s question is: Why do professional smartphones need secure, special gadgets?

27 Oct 2020 by Jukka Saari  |  16 min read
Public safety apps, Critical communications, Professional apps

15 things your boss expects you to know about RFID, NFC and IoT »

Let’s say your organization has decided to adopt broadband and apps for professional use. How are RFID, NFC and IoT related to that? Do you need to consider these technologies? If yes, then how? This blog post gives you an overview.

28 Aug 2020 by Jukka Saari  |  19 min read
Public safety apps, Critical communications, Professional apps

Do you know the secret about Watts and TETRA radio power? (Nobody else will tell you) »

Did you believe that higher output power in your TETRA radio gets you better radio coverage? If so, think again.

14 Jul 2020 by Jukka Saari  |  7 min read
TETRA radios

Battery life: What to look for in your duty smartphone? »

As a mission-critical user, you do not want your devices to run out of battery in critical situations. But what do you need to know about battery life before bringing smartphones or hybrid devices into professional use? What are the most important smartphone battery requirements? There are five essential things you’ll want to consider.

25 Oct 2019 by Jukka Saari  |  9 min read
Public safety apps, Critical communications, Professional apps

7 ways to make the most of a single key press on the radio »

You depend on your TETRA radio every day. It must be easy to use. Yet today’s radios are super-powerful tools with many features and options. A logical menu structure makes it intuitive to navigate to and select any of the radio’s capabilities. However, to activate your most commonly used functions, what could be quicker and easier than a single key press? Here are seven useful (and potentially...

13 Dec 2018 by Jukka Saari  |  8 min read
TETRA radios

How to solve TETRA radio buyers' top 5 problems »

What is your biggest challenge when buying TETRA radios? That's the question we put to our readers. People like you. Hundreds responded. Their answers are revealing. It seems there are five top issues radio buyers face, from getting best value for money to ensuring total security. This post reveals how to solve these top five challenges.

1 Oct 2018 by Jukka Saari  |  13 min read
Critical communications, TETRA radios

7 reasons why you don't need a more powerful radio »

A patchy radio connection and black spots are definitely to be avoided when professionals need a radio for their jobs. To avoid such issues, you might think it reasonable to specify a radio with more output power. It’s a logical, gut reaction - but not really helpful! Why? Here are 7 reasons why a higher-power radio is not the best answer when you want more coverage and better communication.

23 Jan 2018 by Jukka Saari  |  5 min read
TETRA radios

The best way to boost Direct Mode range may surprise you »

It seems obvious, doesn’t it? The more output power a TETRA radio has, the further it will reach in Direct Mode? But not so, think again. In fact, more power will not give you a much better TETRA radio range in Direct Mode (DMO). Read on to learn why – and to discover the best way to achieve the best Direct Mode range.

9 Oct 2017 by Jukka Saari  |  4 min read
TETRA radios